Search a number
-
+
145626901 = 724186323
BaseRepresentation
bin10001010111000…
…01011100010101
3101011000121112221
420223201130111
5244240030101
622241142341
73415544140
oct1053413425
9334017487
10145626901
1175225712
124092a9b1
132422a584
14154ab057
15cbb8aa1
hex8ae1715

145626901 has 8 divisors (see below), whose sum is σ = 167123264. Its totient is φ = 124303680.

The previous prime is 145626889. The next prime is 145626907. The reversal of 145626901 is 109626541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145626901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145626907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41475 + ... + 44848.

It is an arithmetic number, because the mean of its divisors is an integer number (20890408).

Almost surely, 2145626901 is an apocalyptic number.

It is an amenable number.

145626901 is a deficient number, since it is larger than the sum of its proper divisors (21496363).

145626901 is an equidigital number, since it uses as much as digits as its factorization.

145626901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86571.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 145626901 is about 12067.5971510488. The cubic root of 145626901 is about 526.1148204573.

The spelling of 145626901 in words is "one hundred forty-five million, six hundred twenty-six thousand, nine hundred one".

Divisors: 1 7 241 1687 86323 604261 20803843 145626901